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[02/20] lightnvm: add controller capabilities to 2.0

Message ID 1519205218-26994-3-git-send-email-javier@cnexlabs.com (mailing list archive)
State New, archived
Headers show

Commit Message

=?UTF-8?q?Javier=20Gonz=C3=A1lez?= Feb. 21, 2018, 9:26 a.m. UTC 
Assign missing mccap value on 2.0 path

Signed-off-by: Javier González <javier@cnexlabs.com>
---
 drivers/nvme/host/lightnvm.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Matias Bjorling Feb. 22, 2018, 7:26 a.m. UTC | #1 
On 02/21/2018 10:26 AM, Javier González wrote:
> Assign missing mccap value on 2.0 path
> 
> Signed-off-by: Javier González <javier@cnexlabs.com>
> ---
>   drivers/nvme/host/lightnvm.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
> index c81e64cc20d7..969bb874850c 100644
> --- a/drivers/nvme/host/lightnvm.c
> +++ b/drivers/nvme/host/lightnvm.c
> @@ -392,6 +392,8 @@ static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
>   	dev_geo->c.ws_opt = le32_to_cpu(id->ws_opt);
>   	dev_geo->c.mw_cunits = le32_to_cpu(id->mw_cunits);
>   
> +	dev_geo->c.mccap = le32_to_cpu(id->mccap);
> +
>   	dev_geo->c.trdt = le32_to_cpu(id->trdt);
>   	dev_geo->c.trdm = le32_to_cpu(id->trdm);
>   	dev_geo->c.tprt = le32_to_cpu(id->twrt);
> 

The mccap field between 1.2 and 2.0 is orthogonal. They represent two 
different capabilities fields. The mccap has to be interpreted if used.
diff mbox

Patch

diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index c81e64cc20d7..969bb874850c 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -392,6 +392,8 @@  static int nvme_nvm_setup_20(struct nvme_nvm_id20 *id,
 	dev_geo->c.ws_opt = le32_to_cpu(id->ws_opt);
 	dev_geo->c.mw_cunits = le32_to_cpu(id->mw_cunits);
 
+	dev_geo->c.mccap = le32_to_cpu(id->mccap);
+
 	dev_geo->c.trdt = le32_to_cpu(id->trdt);
 	dev_geo->c.trdm = le32_to_cpu(id->trdm);
 	dev_geo->c.tprt = le32_to_cpu(id->twrt);